Custom Engraved Aluminum Frame. Ultra light aircraft aluminum wrap with ONE OF A KIND LOOK! Frame: aircraft grade aluminum material with new "Suspension Spring Hinges" (SSH) for extra durability and fit. Adjustable soft silicone nose pads and inlaid soft rubber temples for an extremely comfortable and secure fit. Lens Coating: micro-thin, multi-layer "Titanium" coatings from the latest technology. This advanced lens provides for 100% protection from UVA, UVB and short wave blue light rays, as well as, increasing visual clarity and enhanced detail with sharper focus. This advanced coating with poly-carbonate lenses creates a lens with the greatest impact resistance and optical clarity that exceeds all ANSI standards. Lens Base: Ten base curve lens with zero distortion, reduced peripheral light and glare, and greater depth perception.